mozDocAccessible.mm

/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- *//* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2006 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Original Author: Håkan Waara <hwaara@gmail.com> * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */#include "nsRootAccessibleWrap.h"#include "nsObjCExceptions.h"#import "mozDocAccessible.h"#import "mozView.h"static id <mozAccessible, mozView> getNativeViewFromRootAccessible (nsAccessible *accessible)
{
nsRootAccessibleWrap *root = static_cast<nsRootAccessibleWrap*>(accessible);
id <mozAccessible, mozView> nativeView = nil;
root->GetNativeWidget ((void**)&nativeView);
return nativeView;
}
#pragma mark -@implementation mozRootAccessible
// return the AXParent that our parallell NSView tells us about.
- (id)parent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (!mParallelView)
mParallelView = (id<mozView, mozAccessible>)[self representedView];
if (mParallelView)
return [mParallelView accessibilityAttributeValue:NSAccessibilityParentAttribute];
NSAssert(mParallelView, @"we're a root accessible w/o native view?");
return [super parent];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (BOOL)hasRepresentedView
{
return YES;
}
// this will return our parallell NSView. see mozDocAccessible.h
- (id)representedView
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (mParallelView)
return (id)mParallelView;
mParallelView = getNativeViewFromRootAccessible (mGeckoAccessible);
NSAssert(mParallelView, @"can't return root accessible's native parallel view.");
return mParallelView;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (BOOL)isRoot
{
return YES;
}
@end